Institute Newton C. Braga

Circuit Bench

Solid state relay (CB8518E)
This circuit was found in a 90s Popular Electronics. Both the coupler and the MOSFET can be of any...
1 Hz Filter with 0.1 Hz Bandwidth (CB13592E)
This circuit was obtained in a Teledyne documentation from 1972. The operational amplifier admits...
Peak Signal Indicator (CB25966E)
This LED indicator circuit uses an LM339 comparator. The circuit was found in the January 1995...